Ответ:
1) 2-¹ (1/2) 2) 6
Пошаговое объяснение:
а)
[tex]0.5[/tex]
б)
[tex]6.16[/tex]
[tex](27 {}^{ \frac{2}{3} } + 125 {}^{ \frac{1}{3} } + \sqrt[3]{8} ) {}^{ - \frac{1}{4} } = \\ = ( \sqrt[3]{27 {}^{2} } + \sqrt[3]{125} + \sqrt[3]{8} ) {}^{ - \frac{1}{4} } = \\ = ( \sqrt[3]{729} + \sqrt[3]{125} + \sqrt[3]{8} ) {}^{ - \frac{1}{4} } = \\ = (9 + 5 + 2) {}^{ - \frac{1}{4} } = \\ = 16 {}^{ - \frac{1}{4} } = \frac{1}{ \sqrt[4]{16} } = \\ = \frac{1}{2} = 0.5[/tex]
[tex](8 {}^{ \frac{2}{3} } + 9 {}^{ \frac{3}{2} } + 125 {}^{ \frac{1}{3} } ) {}^{ \frac{1}{2} } = \\ = ((2 {}^{3} ) {}^{ \frac{2}{3} } + (3 {}^{2} ) {}^{ \frac{3}{2} } + (5 {}^{3} ) {}^{ \frac{1}{3} } ) {}^{ \frac{1}{2} } = \\ = (3 {}^{2} + 3 {}^{3} + 5) {}^{ \frac{1}{2} } = \\ = (6 + 27 + 5) {}^{ \frac{1}{2} } = \\ = 38 {}^{ \frac{1}{2} } = \sqrt{38} = \\ = 6.16[/tex]
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Answers & Comments
Ответ:
1) 2-¹ (1/2) 2) 6
Пошаговое объяснение:
Ответ:
а)
[tex]0.5[/tex]
б)
[tex]6.16[/tex]
Пошаговое объяснение:
а)
[tex](27 {}^{ \frac{2}{3} } + 125 {}^{ \frac{1}{3} } + \sqrt[3]{8} ) {}^{ - \frac{1}{4} } = \\ = ( \sqrt[3]{27 {}^{2} } + \sqrt[3]{125} + \sqrt[3]{8} ) {}^{ - \frac{1}{4} } = \\ = ( \sqrt[3]{729} + \sqrt[3]{125} + \sqrt[3]{8} ) {}^{ - \frac{1}{4} } = \\ = (9 + 5 + 2) {}^{ - \frac{1}{4} } = \\ = 16 {}^{ - \frac{1}{4} } = \frac{1}{ \sqrt[4]{16} } = \\ = \frac{1}{2} = 0.5[/tex]
б)
[tex](8 {}^{ \frac{2}{3} } + 9 {}^{ \frac{3}{2} } + 125 {}^{ \frac{1}{3} } ) {}^{ \frac{1}{2} } = \\ = ((2 {}^{3} ) {}^{ \frac{2}{3} } + (3 {}^{2} ) {}^{ \frac{3}{2} } + (5 {}^{3} ) {}^{ \frac{1}{3} } ) {}^{ \frac{1}{2} } = \\ = (3 {}^{2} + 3 {}^{3} + 5) {}^{ \frac{1}{2} } = \\ = (6 + 27 + 5) {}^{ \frac{1}{2} } = \\ = 38 {}^{ \frac{1}{2} } = \sqrt{38} = \\ = 6.16[/tex]